13440180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17231}}^1$

素因数の和:17256

約数の個数: 48

約数和(自身を含む): 40529664

約数和(自身を除く): 27089484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 17231, 34462, 51693, 68924, 86155, 103386, 172310, 206772, 224003, 258465, 344620, 448006, 516930, 672009, 896012, 1033860, 1120015, 1344018, 2240030, 2688036, 3360045, 4480060, 6720090, 13440180]

約数ペア:

[(1, 13440180), (2, 6720090), (3, 4480060), (4, 3360045), (5, 2688036), (6, 2240030), (10, 1344018), (12, 1120015), (13, 1033860), (15, 896012), (20, 672009), (26, 516930), (30, 448006), (39, 344620), (52, 258465), (60, 224003), (65, 206772), (78, 172310), (130, 103386), (156, 86155), (195, 68924), (260, 51693), (390, 34462), (780, 17231)]